initial new test work; and play with subplot

Author: DanielGoldfarb

examples/mpftests/reference_images/test01.jpg

@@ -0,0 +1,33 @@
+import os                as os
+import pandas            as pd
+import mplfinance        as mpf
+import matplotlib.pyplot as plt
+
+print('pd.__version__  =',pd.__version__ )                 # for the record
+print('mpf.__version__ =',mpf.__version__)                 # for the record
+print("plt.rcParams['backend'] =",plt.rcParams['backend']) # for the record
+
+import subprocess
+result = subprocess.run(['pwd'], stdout=subprocess.PIPE)
+print('result.stdout=',result.stdout)
+
+
+df = pd.read_csv('../data/SPY_20110701_20120630_Bollinger.csv',index_col=0,parse_dates=True)
+print('df.shape='  , df.shape  )
+print('df.head(3)=', df.head(3))
+print('df.tail(3)=', df.tail(3))
+
+
+mpf.plot(df,volume=True,savefig='test01.jpg')
+
+os.system('ls -l test01.jpg')
+
+rc = os.system('diff test01.jpg reference_images/test01.jpg')
+assert rc == 0
+
+apdict = mpf.make_addplot(df['LowerB'])
+mpf.plot(df,volume=True,addplot=apdict,savefig='test02.jpg')
+
+os.system('ls -l test02.jpg')
+rc = os.system('diff test02.jpg reference_images/test02.jpg')
+assert rc == 0

examples/mpftests/test_addplot.py

@@ -0,0 +1,22 @@
+import os                as os
+import pandas            as pd
+import mplfinance        as mpf
+import matplotlib.pyplot as plt
+
+print('pd.__version__  =',pd.__version__ )                 # for the record
+print('mpf.__version__ =',mpf.__version__)                 # for the record
+print("plt.rcParams['backend'] =",plt.rcParams['backend']) # for the record
+
+import subprocess
+result = subprocess.run(['pwd'], stdout=subprocess.PIPE)
+print('result.stdout=',result.stdout)
+
+
+df = pd.read_csv('../data/SPY_20110701_20120630_Bollinger.csv',index_col=0,parse_dates=True)
+print('df.shape='  , df.shape  )
+print('df.head(3)=', df.head(3))
+print('df.tail(3)=', df.tail(3))
+
+s = mpf.make_mpf_style(base_mpf_style='default',rc={'font.size':30})
+
+mpf.plot(df,volume=True,figratio=(3,2),figscale=5.25,style=s)

examples/mpftests/tmp.py

@@ -2,11 +2,29 @@
 import os
 import subprocess
 
+def test_mplfinance():
+    '''Run new mplfinance api tests.'''
+
+    os.environ['MPLBACKEND'] = 'agg'
+
+    os.chdir("examples/mpftests")
+
+    exs = glob.glob('test*.py')
+    try:
+        for ex in exs:
+            subprocess.check_call(["python", ex])
+    finally:
+        os.chdir("../..")
+
+
+def test_original_flavor_e2e_examples():
+    """Run e2e tests for  folder"""
 
-def test_e2e_examples():
-    """Run e2e tests over examples folder"""
-    print('>>> tests.py')
     os.chdir("examples/original_flavor")
+
     exs = glob.glob('*.py')
-    for ex in exs:
-        subprocess.check_call(["python", ex])
+    try:
+        for ex in exs:
+            subprocess.check_call(["python", ex])
+    finally:
+        os.chdir("../..")

examples/savefig.ipynb

@@ -5,8 +5,9 @@
 
 [tox]
 envlist = py36, py37, py38
+
 [pytest]
-python_files = 'tests.py'
+python_files = tests.py
 
 [testenv]
 deps =